Sandgrouse here are their main prey. 沙鸡是他们的主要猎物

180. he can soak up water like a sponge.
     可以像海绵一样吸收大量的水
181. But it takes time, and he is in danger.
     不过这需要时间 而他已身陷危险
182. Goshawk.
     苍鹰
183. Sandgrouse here are their main prey.
     沙鸡是他们的主要猎物
184. Again and again, the male sandgrouse risk their lives
     日复一日 雄沙鸡都要冒着生命危险
185. in order to collect water for their chicks.
     来给雏鸟采水
186. This is why sandgrouse nest so far from water holes.
     这就是沙鸡巢离水坑如此远的原因

来自《行星地球 第二季 第四集 Planet Earth S02E04 沙漠》第 183 行